That plugin is created by another developer. It might be possible that some other user here will be able to help you but you best chance of getting help will probably be posting a question on the support forum for that plugin.
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Accordions are a great way to group related information while allowing users to interactively show and hide content. In this video, Damon Cook goes in-depth on how to create an accessible accordion block using ACF PRO’s Repeater field.https://t.co/RXT0g25akN